This Collection contains reports presented orally, or in the form of posters during the II-ND WORKSHOP WITH INTERNATIONAL PARTICIPATION ON THE EU "COPERNICUS" PROGRAMME – COPE4BG, which was held in October 2020, Sofia, Bulgaria. The Collection includes reports which were sent within the due term and were drafted in accordance with the preliminarily announced instructions. The reports and the accompanying abstracts are published in one of the two working languages of the Conference after the authors’ choice. Disclaimer: The seminar is organized within the FPCUP, Action No.: 2018-1-86 “Copernicus Awareness Raising Programme for Bulgaria - COPE4BG” with implementing partners SRTI-BAS and CASTRA. The FPCUP project is financed by the European Commission under the FPA no.: 275/G/GRO/COPE/17/10042. The contents of the publication do not represent the official views of the European Commission nor do they constitute a commitment of any kind on its behalf.